private void deletePGNsToolStripMenuItem_Click(object sender, EventArgs e)
{
if (dataGridViewPGNs.Focused)
{
// We set all selected items to null, and then rebuild the array of PGNDefns
for (int i = 0; i < dataGridViewPGNs.Rows.Count; i++)
{
if (dataGridViewPGNs.Rows[i].Selected)
{
PGNDefnCol.PGNDefns[i] = null;
}
}
var newPGNDefns = new PGNDefn[PGNDefnCol.PGNDefns.Length - dataGridViewPGNs.SelectedRows.Count];
int j = 0;
for (int i = 0; i < PGNDefnCol.PGNDefns.Length; i++)
{
if (PGNDefnCol.PGNDefns[i] != null)
{
newPGNDefns[j++] = PGNDefnCol.PGNDefns[i];
}
}
PGNDefnCol.PGNDefns = newPGNDefns;
UpdateGridDisplays(GridViewsUpdateType.RebindPGNs);
}
}
// Request a screen update of the GridViews and ProopertyGrid
private void UpdateGridDisplays(GridViewsUpdateType UpdateType)
{
if (PGNDefnCol == null)
{
dataGridViewPGNs.DataSource = null;
dataGridViewFields.DataSource = null;
propertyGridField.SelectedObject = null;
toolStripStatusLabelPGNCount.Text = "";
}
if (UpdateType >= GridViewsUpdateType.RebindPGNs)
{
if (PGNDefnCol == null)
{
dataGridViewPGNs.DataSource = null;
dataGridViewPGNs.Enabled = false;
toolStripStatusLabelPGNCount.Text = "";
}
else
{
dataGridViewPGNs.DataSource = PGNDefnCol.PGNDefns;
dataGridViewPGNs.Enabled = true;
toolStripStatusLabelPGNCount.Text = PGNDefnCol.PGNDefns.Count() + " PGNs.";
if (UpdateType == GridViewsUpdateType.RebindPGNsAndSelectLast)
{
dataGridViewPGNs.FirstDisplayedScrollingRowIndex = dataGridViewPGNs.RowCount - 1;
dataGridViewPGNs.Rows[dataGridViewPGNs.RowCount - 1].Selected = true;
}
}
}
if (UpdateType >= GridViewsUpdateType.RebindFields)
{
if ((dataGridViewPGNs.DataSource != null) &&
(dataGridViewPGNs.SelectedRows.Count == 1) &&
(dataGridViewPGNs.SelectedRows.Count <= PGNDefnCol.PGNDefns.Length))
{
PGNDefn pgnDefn = PGNDefnCol.PGNDefns[dataGridViewPGNs.SelectedRows[0].Index];
dataGridViewFields.DataSource = pgnDefn.Fields;
dataGridViewFields.Enabled = true;
dataGridViewFields.Refresh();
// dataGridViewFields_SelectionChanged(sender, null);
FieldDataGridTitle.Text = "PGN "
+ pgnDefn.PGN
+ (((pgnDefn.Name != null && pgnDefn.Name != "") ? " (" + PGNDefnCol.PGNDefns[dataGridViewPGNs.SelectedRows[0].Index].Name + ")" : ""))
+ " Fields";
if (UpdateType == GridViewsUpdateType.RebindFieldsAndSelectLast)
{
dataGridViewFields.FirstDisplayedScrollingRowIndex = dataGridViewFields.RowCount - 1;
dataGridViewFields.Rows[dataGridViewFields.RowCount - 1].Selected = true;
}
}
else
{
dataGridViewFields.DataSource = null;
dataGridViewFields.Enabled = false;
FieldDataGridTitle.Text = "(No PGN selected)";
// dataGridViewFields_SelectionChanged(sender, null);
}
}
if (UpdateType >= GridViewsUpdateType.RebindFieldProperties)
{
if ((dataGridViewFields.DataSource != null) && (dataGridViewFields.SelectedRows.Count == 1))
{
propertyGridField.SelectedObject = ((N2kField[])dataGridViewFields.DataSource)[dataGridViewFields.SelectedRows[0].Index];
propertyGridField.Enabled = true;
propertyGridField.Refresh();
PropertyGridTitle.Text = "Definition of Field '" + ((N2kField[])dataGridViewFields.DataSource)[dataGridViewFields.SelectedRows[0].Index].Name + "'";
FieldClassTypeListComboBox.Enabled = true;
FieldClassTypeListComboBox.Text = (((N2kField[])dataGridViewFields.DataSource)[dataGridViewFields.SelectedRows[0].Index]).GetType().Name;
// We remember the values of the properties in each PGNField
UpdatePropertyValuesDict(ref FieldPropertyValues, propertyGridField.SelectedObject);
}
else
{
propertyGridField.SelectedObject = null;
propertyGridField.Enabled = false;
PropertyGridTitle.Text = "(No field selected)";
FieldClassTypeListComboBox.Text = "";
FieldClassTypeListComboBox.Enabled = false;
}
}
}
public PGNDefn[] GetPGNInfos()
// Get an array of PGNDefn records, effectively converting from KeesDefinitions
// into our own PGNDefn array
{
PGNDefn[] result = new PGNDefn[KeesPGNDefns.Count()];
int j = 0;
foreach (KeesPGNDefn kPGN in KeesPGNDefns)
{
N2kField[] f = new N2kField[kPGN.Fields != null ? kPGN.Fields.Count() : 0];
if (kPGN.Fields != null)
{
int i = 0;
foreach (KeesField kField in kPGN.Fields)
{
double scale;
if (!double.TryParse(kField.Resolution, NumberStyles.Number, CultureInfo.InvariantCulture, out scale))
{
scale = 1.0;
}
/* // Old method for working out scale...
* switch (kField.Resolution)
* {
* case "0.1":
* scale = 0.1;
* break;
* case "0.01":
* scale = 0.01;
* break;
* case "0.001":
* scale = 0.001;
* break;
* case "0.004":
* scale = 0.004;
* break;
* case "1e-006":
* scale = 1e-6;
* break;
* case "0.0001":
* scale = 0.001;
* break;
* default:
* scale = 1;
* break;
* }
*/
if ((kPGN.PGN == 130842) && (kField.Order == 17) && (kField.Name == "Spare"))
{
// AJM: I think this is probably an unsigned integer based on Description="0=unavailable"
f[i++] = new N2kUIntField {
Name = kField.Name, BitOffset = kField.BitOffset, BitLength = kField.BitLength, Description = kField.Description
};
}
else if (CultureInfo.InvariantCulture.CompareInfo.IndexOf(kField.Name, "Instance", CompareOptions.IgnoreCase) >= 0)
{
f[i++] = new N2kInstanceField {
Name = kField.Name, BitOffset = kField.BitOffset, BitLength = kField.BitLength, Description = kField.Description
};
}
else if ((kField.Name == "SID"))
{
f[i++] = new N2kUIntField {
FormatAs = FormatEnum.SID, Name = kField.Name, BitOffset = kField.BitOffset, BitLength = kField.BitLength, Description = kField.Description
};
}
else if ((kField.Name == "PGN"))
{
// We force all PGNBs to be UInt; Kees has one defined as an Integer in 59904, but no such 'Integer' defn in 59392
f[i++] = new N2kUIntField {
Name = kField.Name, BitOffset = kField.BitOffset, BitLength = kField.BitLength, Description = kField.Description
};
}
else if ((kField.Name == "Speed") || (kField.Name == "SOG"))
{
//f[i++] = new SpeedField { DisplayName = kField.DisplayName, BitOffset = kField.BitOffset, BitLength = kField.BitLength, Description = kField.Description, Scale = scale };
f[i++] = new N2kUDblField {
FormatAs = FormatEnum.Speed, Name = kField.Name, BitOffset = kField.BitOffset, BitLength = kField.BitLength, Description = kField.Description, Scale = scale
};
}
else if ((kField.Name == "Depth") || (kField.Name == "SOG"))
{
// This is probably unsigned based on FFFFFFFF appearing to mean 'unavailable'
f[i++] = new N2kUDblField {
FormatAs = FormatEnum.Length, Name = kField.Name, BitOffset = kField.BitOffset, BitLength = kField.BitLength, Description = kField.Description, Scale = scale
};
}
else
{
switch (kField.Type)
{
case null:
if ((kField.Resolution == null) || (kField.Resolution == ""))
{
f[i++] = new N2kUIntField {
Name = kField.Name, BitOffset = kField.BitOffset, BitLength = kField.BitLength, Description = kField.Description
};
}
else
{
f[i++] = new N2kDblField {
Name = kField.Name, BitOffset = kField.BitOffset, BitLength = kField.BitLength, Description = kField.Description, Scale = scale
};
}
break;
case "ASCII text":
f[i++] = new N2kASCIIField {
Name = kField.Name, BitOffset = kField.BitOffset, BitLength = kField.BitLength, Description = kField.Description
};
break;
case "Binary data":
case "String with start/stop byte": // We need new type for this
f[i++] = new N2kBinaryField {
Name = kField.Name, BitOffset = kField.BitOffset, BitLength = kField.BitLength, Description = kField.Description
};
break;
case "Manufacturer code":
f[i++] = new N2kBinaryField {
Name = kField.Name, BitOffset = kField.BitOffset, BitLength = kField.BitLength, Description = kField.Description
};
break;
case "Date":
//f[i++] = new DateField { DisplayName = kField.DisplayName, BitOffset = kField.BitOffset, BitLength = kField.BitLength, Description = kField.Description };
f[i++] = new N2kUIntField {
FormatAs = FormatEnum.Date, Name = kField.Name, BitOffset = kField.BitOffset, BitLength = kField.BitLength, Description = kField.Description
};
break;
case "Degrees": // Degrees changed to angle on Kees?
case "Angle":
if (((kField.Resolution == "0.0001 rad") || (kField.Resolution == "0.0001")))
{
// We convert the units from Radians to Degrees
if (kField.Signed)
{
f[i++] = new N2kDblField {
FormatAs = FormatEnum.Heading, Name = kField.Name, BitOffset = kField.BitOffset, BitLength = kField.BitLength, Description = kField.Description, Scale = 0.0001 * 180 / Math.PI
};
}
else
{
f[i++] = new N2kUDblField {
FormatAs = FormatEnum.Heading, Name = kField.Name, BitOffset = kField.BitOffset, BitLength = kField.BitLength, Description = kField.Description, Scale = 0.0001 * 180 / Math.PI
};
}
}
else
{
Console.WriteLine("Unknown Kees Degrees field data");
}
break;
case "IEEE Float":
f[i++] = new N2kDblField {
FormatAs = FormatEnum.Number, Name = kField.Name, BitOffset = kField.BitOffset, BitLength = 32, Description = kField.Description, Scale = scale
};
break;
case "Integer":
f[i++] = new N2kIntField {
Name = kField.Name, BitOffset = kField.BitOffset, BitLength = kField.BitLength, Description = kField.Description
};
break;
case "Latitude":
if (kField.BitLength == 32)
{
// LatField
f[i++] = new N2kDblField {
FormatAs = FormatEnum.Latitude, Name = kField.Name, BitOffset = kField.BitOffset, BitLength = 32, Description = kField.Description, Scale = 1e-7
};
}
else if (kField.BitLength == 64)
{
// LatField
f[i++] = new N2kDblField {
FormatAs = FormatEnum.Latitude, Name = kField.Name, BitOffset = kField.BitOffset, BitLength = 64, Description = kField.Description, Scale = 1e-16
};
}
else
{
Console.WriteLine("Unknown Kees Latitude field data");
}
break;
case "Longitude":
if (kField.BitLength == 32)
{
// LonField
f[i++] = new N2kDblField {
FormatAs = FormatEnum.Longitude, Name = kField.Name, BitOffset = kField.BitOffset, BitLength = 32, Description = kField.Description, Scale = 1e-7
};
}
else if (kField.BitLength == 64)
{
// LonField
f[i++] = new N2kDblField {
FormatAs = FormatEnum.Longitude, Name = kField.Name, BitOffset = kField.BitOffset, BitLength = 64, Description = kField.Description, Scale = 1e-16
};
}
else
{
Console.WriteLine("Unknown Kees Longitude field data");
}
break;
case "Lookup table":
f[i++] = new N2kEnumField {
Name = kField.Name, BitOffset = kField.BitOffset, BitLength = kField.BitLength, Description = kField.Description, EnumPairArray = kField.EnumPairArray
};
break;
case "Temperature":
if ((kField.Units == null) || (kField.Units == "K"))
{
// We convert this to Celcius
// f[i++] = new TemperatureField { DisplayName = kField.DisplayName, BitOffset = kField.BitOffset, BitLength = kField.BitLength, Description = kField.Description };
f[i++] = new N2kUDblField {
FormatAs = FormatEnum.Temperature, Name = kField.Name, BitOffset = kField.BitOffset, BitLength = kField.BitLength, Description = kField.Description, Scale = 0.01, Offset = -273.15
};
}
else
{
Console.WriteLine("Unknown Kees Temperature field data");
}
break;
case "Time":
// TimeField
f[i++] = new N2kUDblField {
FormatAs = FormatEnum.Time, Name = kField.Name, BitOffset = kField.BitOffset, BitLength = kField.BitLength, Description = kField.Description, Scale = 0.0001
};
break;
case "Speed":
f[i++] = new N2kUDblField {
FormatAs = FormatEnum.Speed, Name = kField.Name, BitOffset = kField.BitOffset, BitLength = kField.BitLength, Description = kField.Description, Scale = scale
};
break;
default:
Console.WriteLine("Unknown Kees Field");
break;
}
}
}
}
uint ByteLength = 0;
foreach (N2kField field in f)
{
ByteLength = (uint)Math.Max(ByteLength, (int)(((uint)((uint)field.BitOffset + (uint)field.BitLength + 7)) >> 3));
}
if (kPGN.PGN == 129029)
{
ByteLength = 43; // Add 3 extra bytes missing in Kees data
}
result[j++] = new PGNDefn {
PGN = kPGN.PGN, Name = kPGN.Description, Description = "", ByteLength = ByteLength, Fields = f
};
}
return(result);
}
